Start-In-Gear Protection; Engine Oil Requirements; Fuel Requirements; Gasoline - Yamaha F4A Owner's Manual

that lets the engine run in the proper range
for your maximum load but remember that
you may need to reduce your throttle setting
to stay within the recommended engine
speed range when carrying lighter loads.
For instructions on propeller removal and in-
stallation, see page 52.
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
EMU25770

Start-in-gear protection

Yamaha outboard motors or Yamaha-ap-
proved remote control units are equipped
with start-in-gear protection device(s). This
feature permits the engine to be started only
when it is in neutral. Always select neutral
before starting the engine.
Specifications and requirements
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1 2 3
ZMU04604
EMU35092

Engine oil requirements

Recommended engine oil:
4-stroke motor oil with a combination
of the following SAE and API oil classi-
fications
Engine oil type SAE:
10W-30 or 10W-40
Engine oil grade API:
SE, SF, SG, SH, SJ, SL
Engine oil quantity:
0.5 L (0.53 US qt, 0.44 Imp.qt)
If the recommended engine oil grades are
not available, select an alternative from the
following chart according to the average
temperatures in your area.
EMU36360

Fuel requirements

EMU36770

Gasoline

Use a good quality gasoline that meets the
minimum octane rating. If knocking or ping-
ing occurs, use a different brand of gasoline
or premium unleaded fuel. Yamaha re-
comends that you use alcohol-free (see
12